By this therefore shall the iniquity of Jacob be purged; and this is all the fruit to take away his sin; when he maketh all the stones of the altar as chalkstones that are beaten in sunder, the groves and images shall not stand up. The groves "And if the groves" - ולא velo. Four MSS., two ancient, of Kennicott's, and one ancient of my own, with the Septuagint; this makes a fuller sense.
Related Commentaries of Isaiah 27:9
Isaiah 27:9
9 By this therefore shall the iniquity of Jacob be purged; and this is all the fruit to take away his sin; when he maketh all the stones of the altar as chalkstones that are beaten in sunder, the groves and imagesc shall not stand up.